libguile/mallocs.c

   1 /* classes: src_files
   2  * Copyright (C) 1995,1997,1998,2000,2001, 2006 Free Software Foundation, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19
  20
  21 \f
  22 #ifdef HAVE_CONFIG_H
  23 #  include <config.h>
  24 #endif
  25
  26 #include "libguile/_scm.h"
  27 #include "libguile/ports.h"
  28 #include "libguile/smob.h"
  29
  30 #include "libguile/mallocs.h"
  31
  32 #ifdef HAVE_MALLOC_H
  33 #include <malloc.h>
  34 #endif
  35 #ifdef HAVE_UNISTD_H
  36 #include <unistd.h>
  37 #endif
  38
  39
  40 \f
  41 scm_t_bits scm_tc16_malloc;
  42
  43
  44
  45 static int
  46 malloc_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED)
  47 {
  48   scm_puts("#<malloc ", port);
  49   scm_uintprint (SCM_SMOB_DATA (exp), 16, port);
  50   scm_putc('>', port);
  51   return 1;
  52 }
  53
  54 \f
  55 SCM
  56 scm_malloc_obj (size_t n)
  57 {
  58   scm_t_bits mem = n ? (scm_t_bits) scm_gc_malloc (n, "malloc smob") : 0;
  59   if (n && !mem)
  60     return SCM_BOOL_F;
  61   SCM_RETURN_NEWSMOB (scm_tc16_malloc, mem);
  62 }
  63
  64
  65 \f
  66 void
  67 scm_init_mallocs ()
  68 {
  69   scm_tc16_malloc = scm_make_smob_type ("malloc", 0);
  70   scm_set_smob_print (scm_tc16_malloc, malloc_print);
  71 }
  72
  73 /*
  74   Local Variables:
  75   c-file-style: "gnu"
  76   End:
  77 */